2.8 tft lcd shield arduino mega brands

its originally made for the arduino UNO boards, but it can be used with mega. there are two main problems while using it with the uno, the storage memory, and the pins usage! It,s hard to use the unused pins (by the screen) because all the pins are coverd with the sheild! for that resons we use better the MEGA board.

this library is one of the big libraries, it takes about 30kb of the arduino flash memory! this is too much for arduino uno! you can almost add nothing to the code with this library.

the MEGA has256kb of program memory, this is very good space and can do very good things with it, in addition, there are 54 pin most of them still free to use, and the analog just 5 are taken of 16. this is most often more that enough for most projects.

open the UTFT library file to see something similar to the first pic, then open the folder named "hardware", you should see the families of the mcu"s (AVR,ARM and pic32) the mega and uno are from the avr family, so we open it.

now you should see the arduino"s mcu that uses(ie. the uno uses the Atmega_328p ) and you can see a header file named "HW_AVR_defines" ... this is our target.. open it with some program (CODE :: BLOCKs is used here).

one quick hint, the UTFT Library is very big lib that operates depending on the board or mcu that"s used, and the module that is defined. the main utft file call the definitions of the hardware depending on your entries , so when you choose from tools-board---> arduino mega . it call the defintions of the arduino mega, to know the pins connection to the module you have sellected too.

what we gonna do here, is to edit something in the library that make the mega, uses the right defentions when you use an uno sheild with it. The utft library developer add this feature to the library, all we have to do, is to enable it.

the tft screen that we used is named on the module 2.8 ITDB02 we should find its module name in the library, open the library file and go to the documentation , you should see three files

this is our target, this file has the names of the modules and sheilds that is supported by this library, you can see in it a list of module names and module names for the UTFT which you should use to define your module.

then we name the module, which we found it called ITDB28 , then we sellect the pins, i"m not going to explain what these pins are(it"s noted in the data sheet and UTFT_Requirement.pdf file), but you should know that for this sheild, it"s located on the A5,A4,A3 and A2 pins.

when you open one of the examples that"s included in the library, you will get a note about what pins you should use, don"t forget that you use arduino uno sheild, on mega board!

for the UTFT definition, just do as the previous step, for the UTouch object definition, there ia are some change you need to make, you see the is in the note, to use arduino uno board, you should call the configuration :

this configuration is valid for arduino uno (pin 15 = A1 and pin 14 = A0) and further more for another module, this module has the pin 9 and 8 reversed!

actually, this code is used for calibrate the screen, after following the instruction on the screen, you will get the result of the test, it"s the x,y calibration, you can ooen the utft library source code , find those parameters and edit them! however it"s not essential thing to do, but it suppose to give you more accuracy whit your touch coordinations!

Hello I"m Brian from Limburg the Netherlands. I"ve orded a Velleman VMA412 2,8 inch TFT touchscreen display. If I downloaded a scetch my display remains white. While a paint scetch was uploaded once saying my TFT screen appears to be a ILI9341 type and when programming with that kind of display my program dos"nt match. My question is there any driver for this kind of display? My kindly regards.0

Hallo from germany.I have a little problem , my tft stays white . I have uncommented the Mega board definition. But I don´t know wihtch modul name i must write in the

Hello Antonio, did You solve your problem yet? For me it was ITDB28 (for the Mega and should use A5,A4,A3,A2). But I still have the same blanc display.

i can suggest something! maybe you can use the arduino mega to drive the tft, and connect it to the raspberry bi by serial or something, this way you can uss the function of the pi and the the easy drive of the mega!

This TFT Touch Shield is Arduino/Crowduino/Arduino Mega compatible, it integrated a 2.8” TFT Display and a resistive touch panel, to make this shield suitable for handheld devices.

This TFT Touch Shield has 240x320 pixels with individual pixel control, it uses the ILI9341 driver and SPI interface to communicate with controllers such as Arduino, saving you much Arduino pins for other usages in your projects. Besides, A SD card socket is also added to help you develop applications that data storage is needed such as digital picture album.

I developed this game a long time ago for an Arduino UNO board but without using sound. I just adapted it for this new screen and the Elegoo Mega 2560 R3 board and added sounds produced by a passive buzzer to enhance the gaming experience.

You have to calibrate the display so that the position information is correct when you touch the display. MCUFriend_kbv library provides an example with the name "TouchScreen_Calibr_native". The example send the results to the serial port. Start the serial monitor of the Arduino IDE so you can copy the code generated by the example.

Arduino 2.8" TFT LCD Touch shield is an Arduino UNO/ Mega compatible multicolored TFT display with touch-screen and SD card socket. It is available in an Arduino shield compatible pinout for attachment. The TFT driver is based on ILI9325DS with 8bit data and 4bit control interface.

In this Arduino touch screen tutorial we will learn how to use TFT LCD Touch Screen with Arduino. You can watch the following video or read the written tutorial below.

As an example I am using a 3.2” TFT Touch Screen in a combination with a TFT LCD Arduino Mega Shield. We need a shield because the TFT Touch screen works at 3.3V and the Arduino Mega outputs are 5 V. For the first example I have the HC-SR04 ultrasonic sensor, then for the second example an RGB LED with three resistors and a push button for the game example. Also I had to make a custom made pin header like this, by soldering pin headers and bend on of them so I could insert them in between the Arduino Board and the TFT Shield.

Here’s the circuit schematic. We will use the GND pin, the digital pins from 8 to 13, as well as the pin number 14. As the 5V pins are already used by the TFT Screen I will use the pin number 13 as VCC, by setting it right away high in the setup section of code.

I will use the UTFT and URTouch libraries made by Henning Karlsen. Here I would like to say thanks to him for the incredible work he has done. The libraries enable really easy use of the TFT Screens, and they work with many different TFT screens sizes, shields and controllers. You can download these libraries from his website, RinkyDinkElectronics.com and also find a lot of demo examples and detailed documentation of how to use them.

After we include the libraries we need to create UTFT and URTouch objects. The parameters of these objects depends on the model of the TFT Screen and Shield and these details can be also found in the documentation of the libraries.

So now I will explain how we can make the home screen of the program. With the setBackColor() function we need to set the background color of the text, black one in our case. Then we need to set the color to white, set the big font and using the print() function, we will print the string “Arduino TFT Tutorial” at the center of the screen and 10 pixels  down the Y – Axis of the screen. Next we will set the color to red and draw the red line below the text. After that we need to set the color back to white, and print the two other strings, “by HowToMechatronics.com” using the small font and “Select Example” using the big font.

In order the code to work and compile you will have to include an addition “.c” file in the same directory with the Arduino sketch. This file is for the third game example and it’s a bitmap of the bird. For more details how this part of the code work  you can check my particular tutorial. Here you can download that file:

Add some sizzle to your Arduino project with a beautiful large touchscreen display shield with built in microSD card connection and acapacitivetouchscreen. This TFT display is big (2.8" diagonal) bright (4 white-LED backlight) and colorful (18-bit 262,000 different shades)! 240x320 pixels with individual pixel control. It has way more resolution than a black and white 128x64 display. As a bonus, this display has acapacitivetouchscreen attached to it already, so you can detect finger presses anywhere on the screen.

This shield is the capacitive version as opposed to theresistive touchscreenwe also sell. This touchscreen doesn"t require pressing down on the screen with a stylus, and has a nice glossy glass cover. It is a single-touch display.

This shield uses SPI for the display and SD card and is easier to use with UNO, Mega & Leonardo Arduino"s. The capacitive touchscreen controller uses I2C but you can share the I2C bus with other I2C devices.

The shield is fully assembled, tested and ready to go. No wiring, no soldering! Simply plug it in and load up our library - you"ll have it running in under 10 minutes!Works best with any classic Arduino (UNO/Duemilanove/Diecimila). Solder three jumpers and you can use it at full speed on a Leonardo or Mega as well.

This display shield has a controller built into it with RAM buffering, so that almost no work is done by the microcontroller. This shield needs fewer pins than our v1 shield, so you can connect more sensors, buttons and LEDs: 5 SPI pins for the display, 2 shared I2C pins for the touchscreen controller and another pin for uSD card if you want to read images off of it.

Of course, we wouldn"t just leave you with a datasheet and a "good luck!" - we"ve written a full open source graphics library that can draw pixels, lines, rectangles, circles and text. We also have a touch screen library that detects x & y location and example code to demonstrate all of it. The code is written for Arduino but can be easily ported to your favorite microcontroller!

Add some sizzle to your Arduino project with a beautiful large touchscreen display shield with built in microSD card connection and acapacitivetouchscreen.Adafruit 2.8" TFT Touch Shield for Arduino w/Capacitive Touchis big (2.8" diagonal) bright (4 white-LED backlight) and colorful (18-bit 262,000 different shades)! 240x320 pixels with individual pixel control. It has way more resolution than a black and white 128x64 display. As a bonus, this display has a capacitive touchscreen attached to it already, so you can detect finger presses anywhere on the screen. It is a single-touch display.

The shield is fully assembled, tested and ready to go. No wiring, no soldering! Simply plug it in and load up our library - you"ll have it running in under 10 minutes! Adafruit 2.8" TFT Touch Shield for Arduino w/Capacitive Touch works best with any classic Arduino (UNO/Duemilanove/Diecimila). Solder three jumpers and you can use it at full speed on a Leonardo or Mega as well.